Crisis energética: El futuro de los combustibles fósiles (Energy Crisis: The Future of Fossil Fuels)

Algorithms might sound like a complicated tech term, but don't be intimidated, people actually use them every day. Using accessible language and full-color photographs, this book simplifies algorithms in an easy-to-understand way. Readers will be amazed to learn that an algorithm is just a set of steps for computers to follow to get things done. STEM topics from the Next Generation Science Standards are emphasized throughout the text. Sidebars featuring key terms help readers grow their tech vocabulary, and fact boxes provide additional opportunities to learn.

Immigrants help make the United States a special place. Learn all about the history of immigration to the United States as you sharpen your data measurement skills! This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, sidebars, and math diagrams extend the learning experience and provide multiple...

Yo soy sólo entre colillas, soy la cecina del poema en el que no creo, soy la cecina del verso y del poema, soy el que vive sin tener ya sentido.

In this illustrated book for children, readers will discover information about animals and can lift the flaps on the pages to find even more.

¿Alguna vez te han sucedido cosas que no tienen una explicación lógica? ¿Cajones que se abren solos, cosas que se pierden misteriosamente, risitas que no se sabe de dónde vienen? A Víctor le acaban de poner gafas y desde el momento en el que sale de la óptica se da cuenta de que ve demasiado bien. ¿Por qué demasiado bien? Pues porque ahora ve unos bichos que antes le resultaban invisibles, los Krippys, que conviven con los humanos y que son responsables de muchas cosas que antes no entendía. Pronto aprende que hay Krippys de mil formas, pero Víctor les ve a todos algo en común y...